The USB2512 is a 2-port Hub Controller from SMSC Corporation (now Microchip Technology). It is a highly integrated, low-power, 2-port USB 2.0 hub controller. This device is designed to comply fully with the USB 2.0 specification, supporting high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) USB devices.

Applications

• USB Hubs: Creating multi-port USB hubs for connecting multiple USB devices to a single host.
• Embedded Systems: Integrating USB connectivity into embedded systems, such as industrial control systems and data acquisition units.
• Docking Stations: Adding USB ports to laptop and desktop docking stations.
• Automotive Infotainment: Providing USB connectivity in automotive infotainment systems for connecting smartphones, storage devices, and other peripherals.
• Consumer Electronics: Integrating USB hub functionality into televisions, set-top boxes, and gaming consoles.

Features

• USB 2.0 Compliant: Supports high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) USB devices.
• Two Downstream Ports: Provides two USB downstream ports for connecting USB devices.
• Integrated USB Transceivers: Includes integrated USB transceivers for reduced BOM cost and simplified design.
• Individual or Ganged Power Control: Supports individual or ganged power control of the downstream ports.
• Over-Current Protection: Provides over-current protection for each downstream port.
• Vendor ID, Product ID, and Device ID Customization: Allows customization of the hub's USB descriptors.
• Small Package: Available in a compact package for space-constrained applications.

Benefits

• Increased Connectivity: Enables the connection of multiple USB devices to a single USB port on a host system.
• Cost-Effective Solution: Integrated features reduce the overall system cost by minimizing external components.
• Simplified Design: Integrated transceivers and other features simplify the design process and reduce time-to-market.
• Enhanced Reliability: Over-current protection safeguards the hub and connected devices from damage.
• Flexible Power Management: Individual or ganged power control allows for efficient power management of the downstream ports.
• Customizable: Vendor, product, and device IDs can be customized to meet specific application requirements.

Additional Details

The USB2512 typically supports both self-powered and bus-powered configurations. It requires minimal external components for operation. This chip handles USB enumeration, data transfer, and power management for the connected downstream devices. The device supports various operating systems and is commonly configured via external EEPROM or programmed directly.